<script>
var sg_sign_mobile = $('#sg_sign_mobile');
sg_sign_mobile.on('click', function() {
	var postdata = sg_sign_mobile.serialize();
	$.xpost(xn.url('sg_sign'), postdata, function(code, message) {
			$.alert(message);
			sg_sign_mobile.delay(1000).location(xn.url('sg_sign'));
	});
	return false;
});
</script>
